正交向量解系

When shall we play the game Let's_it tomorrow ,OK?应选哪一个?1take 2have 3get 4make when did you first play a computer game We had a lot of fun _______the game.A.to watch B.watch C.watches D.watching It's fun ____ others play.A/watch B/watching C/watches D/to watching did you have fun watching the game 里面为什么用watching 而不是 watch This is my school campus,it is very brautiful.There are many kinds of flower and I like them very m翻译 I find them very helpful in increasing my konwledge of English .这一 句那里错了. Now the mooncakes have kinds of ____,If you have a ____ you will find them very ___(taste) in the other hand介词是on还是in, Peter,show me the ______ hand .What is in it A other B the other C another D The others为什么不选B要选A?老师说 other不能加名词可是我另外加一句话：WE MET THE OTHER TEN MENBERS OF OUR GROUP.为什么这句话可以加other 打 on other hand,on another hand,on the second hand,on the other hand之间的区别是什么?快啊... what is in your （ ）hand? ——an orange.A.another B.the other C.others D.other答案是D 可是手有两只 另一只手不是应该用the other吗 用化学符号表示;5个钠离子 查查资料,分别写写松、竹、梅被称为 “岁寒三友 ”的理由.这是十万火急之事! 为什么称松、竹、梅为“岁寒三友”? 人们为什么要把松.竹.梅称为〝岁寒三友〞呢? 1.松、竹、梅称为“岁寒三友”,这三类植物在分类上分别属于A松是裸子植物,竹和梅是单子叶植物B松是裸子植物,竹和梅是被子植物C松是裸子植物,竹和梅是双子叶植物D松是裸子植物,竹和梅 松、竹、梅称为“岁寒三友”这三种植物在分类上分别属于?A松是裸子植物,竹与梅是单子叶植物B松是裸子植物,竹与梅是被子植物C松是裸子植物,竹与梅是双子叶植物D松是裸子植物,竹与梅是 The rain --- now.Shall we go on with our volleyball match?A stops B has stopped C in stopping D had stopped We shall go to the park,if the rain____（stop).解释一下这题用什么语法好呢? shall we play game 这个句子对吗? 填空提、语文、 松、竹、梅岁寒三友,________、___________、_________春风一家. 浙教版八年级上科学a 第14页 物质在水中的溶解（3）答案 Look at the cartoon picture and answer the questionsWhat have the scientists just heard?（message from spacecraft）They’ve just beard a message fro a spacecraft.1.Where has it landed?（Mars）2.What has it discovered?（people）3.Why hacen't th 八年级上科学课时训练第一章1.7 物质在水中的溶解(3)答案速度速度 Look at the picture,and answer the q( ). 物质在水中的溶解 专题练习 八年级科学 物质在水中的溶解固体的溶解度大小,受______影响.大多数固体物质,它们的溶解度会随着______的升高而______,如______,______等；也有些物质,其溶解度受______的影响______,如______等,而极 花生不可与什么一起吃 我爱花生花阅读练习寻求答案,人们常常咏赞烂漫的樱花,雍容的牡丹,圣洁的白莲,我却要赞貌不惊人的花生花.我觉得花生花虽平凡,却蕴藏着另一种美.花生的花,一般在七月开,青青的花生株上, 英语翻译把这个句子的中文告诉我就行 科学物质在水中的溶解把5毫升质量分数为98%的浓硫酸（密度为1.84克/立方厘米）,加入到25毫升水里进行稀释,求所得溶液的溶质质量分数?